FVXX21 KNES 170523
VA ADVISORY
DTG: 20210317/0523Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17159 FT (5230 M)
ADVISORY NR: 2021/288
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: LIKELY CONTG VA EMS.
OBS VA DTG: 17/0500Z
OBS VA CLD: SFC/FL220 S0158 W07820 - S0201 W07818
- S0241 W07855 - S0228 W07905 - S0158 W07820 MOV
SW 10KT
FCST VA CLD +6HR: 17/1100Z SFC/FL220 S0155 W07912
- S0158 W07820 - S0201 W07819 - S0213 W07912 -
S0155 W07912
FCST VA CLD +12HR: 17/1700Z NO VA EXP
FCST VA CLD +18HR: 17/2300Z NO VA EXP
RMK: VA NOT CLEARLY OBS IN SAT DUE TO WX CLDS BUT
IS PSBLY FAINTLY VSBL ABOVE WX CLD LAYER. OBS VA
AREA BASED ON PREV EM PRIOR TO OBSCN A FEW HRS
AGO WITH LOWER CONFIDENCE. FL MVMT EXP TO TURN TO
W THRU T+6 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20210317/1130Z
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